Beth Spiess of San Marcos, Texas, says her sheltie, Daisy, had become so obese from over-feeding (64 pounds) that she couldn't walk anymore, and her original owners wanted to put the dog to sleep. The vet refused to put her down and surrendered the dog to a shelter in 2010 (Spiess adopted her in July 2011). Since May 2010, Daisy has lost nearly 30 pounds through a rigid diet -- 1/4 cup grain-free kibble, 1/4 cup frozen green beans twice a day and poached, boneless, skinless chicken bits as treats -- regular walks and no people food. 
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